arch/arm/mach-omap1/board-palmte.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-palmte.c
   3  *
   4  * Modified from board-generic.c
   5  *
   6  * Support for the Palm Tungsten E PDA.
   7  *
   8  * Original version : Laurent Gonzalez
   9  *
  10  * Maintainers : http://palmtelinux.sf.net
  11  *                palmtelinux-developpers@lists.sf.net
  12  *
  13  * Copyright (c) 2006 Andrzej Zaborowski  <balrog@zabor.org>
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License version 2 as
  17  * published by the Free Software Foundation.
  18  */
  19 #include <linux/gpio.h>
  20 #include <linux/kernel.h>
  21 #include <linux/init.h>
  22 #include <linux/input.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/mtd/mtd.h>
  25 #include <linux/mtd/partitions.h>
  26 #include <linux/mtd/physmap.h>
  27 #include <linux/spi/spi.h>
  28 #include <linux/interrupt.h>
  29 #include <linux/apm-emulation.h>
  30 #include <linux/omapfb.h>
  31
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35
  36 #include <plat/flash.h>
  37 #include <plat/mux.h>
  38 #include <plat/usb.h>
  39 #include <plat/tc.h>
  40 #include <plat/dma.h>
  41 #include <plat/board.h>
  42 #include <plat/irda.h>
  43 #include <plat/keypad.h>
  44
  45 #include <mach/hardware.h>
  46
  47 #include "common.h"
  48
  49 #define PALMTE_USBDETECT_GPIO   0
  50 #define PALMTE_USB_OR_DC_GPIO   1
  51 #define PALMTE_TSC_GPIO         4
  52 #define PALMTE_PINTDAV_GPIO     6
  53 #define PALMTE_MMC_WP_GPIO      8
  54 #define PALMTE_MMC_POWER_GPIO   9
  55 #define PALMTE_HDQ_GPIO         11
  56 #define PALMTE_HEADPHONES_GPIO  14
  57 #define PALMTE_SPEAKER_GPIO     15
  58 #define PALMTE_DC_GPIO          OMAP_MPUIO(2)
  59 #define PALMTE_MMC_SWITCH_GPIO  OMAP_MPUIO(4)
  60 #define PALMTE_MMC1_GPIO        OMAP_MPUIO(6)
  61 #define PALMTE_MMC2_GPIO        OMAP_MPUIO(7)
  62 #define PALMTE_MMC3_GPIO        OMAP_MPUIO(11)
  63
  64 static const unsigned int palmte_keymap[] = {
  65         KEY(0, 0, KEY_F1),              /* Calendar */
  66         KEY(1, 0, KEY_F2),              /* Contacts */
  67         KEY(2, 0, KEY_F3),              /* Tasks List */
  68         KEY(3, 0, KEY_F4),              /* Note Pad */
  69         KEY(4, 0, KEY_POWER),
  70         KEY(0, 1, KEY_LEFT),
  71         KEY(1, 1, KEY_DOWN),
  72         KEY(2, 1, KEY_UP),
  73         KEY(3, 1, KEY_RIGHT),
  74         KEY(4, 1, KEY_ENTER),
  75 };
  76
  77 static const struct matrix_keymap_data palmte_keymap_data = {
  78         .keymap         = palmte_keymap,
  79         .keymap_size    = ARRAY_SIZE(palmte_keymap),
  80 };
  81
  82 static struct omap_kp_platform_data palmte_kp_data = {
  83         .rows   = 8,
  84         .cols   = 8,
  85         .keymap_data = &palmte_keymap_data,
  86         .rep    = true,
  87         .delay  = 12,
  88 };
  89
  90 static struct resource palmte_kp_resources[] = {
  91         [0]     = {
  92                 .start  = INT_KEYBOARD,
  93                 .end    = INT_KEYBOARD,
  94                 .flags  = IORESOURCE_IRQ,
  95         },
  96 };
  97
  98 static struct platform_device palmte_kp_device = {
  99         .name           = "omap-keypad",
 100         .id             = -1,
 101         .dev            = {
 102                 .platform_data  = &palmte_kp_data,
 103         },
 104         .num_resources  = ARRAY_SIZE(palmte_kp_resources),
 105         .resource       = palmte_kp_resources,
 106 };
 107
 108 static struct mtd_partition palmte_rom_partitions[] = {
 109         /* PalmOS "Small ROM", contains the bootloader and the debugger */
 110         {
 111                 .name           = "smallrom",
 112                 .offset         = 0,
 113                 .size           = 0xa000,
 114                 .mask_flags     = MTD_WRITEABLE,
 115         },
 116         /* PalmOS "Big ROM", a filesystem with all the OS code and data */
 117         {
 118                 .name           = "bigrom",
 119                 .offset         = SZ_128K,
 120                 /*
 121                  * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
 122                  * 0x7b0000 bytes in the English-only ("enUS") version.
 123                  */
 124                 .size           = 0x7b0000,
 125                 .mask_flags     = MTD_WRITEABLE,
 126         },
 127 };
 128
 129 static struct physmap_flash_data palmte_rom_data = {
 130         .width          = 2,
 131         .set_vpp        = omap1_set_vpp,
 132         .parts          = palmte_rom_partitions,
 133         .nr_parts       = ARRAY_SIZE(palmte_rom_partitions),
 134 };
 135
 136 static struct resource palmte_rom_resource = {
 137         .start          = OMAP_CS0_PHYS,
 138         .end            = OMAP_CS0_PHYS + SZ_8M - 1,
 139         .flags          = IORESOURCE_MEM,
 140 };
 141
 142 static struct platform_device palmte_rom_device = {
 143         .name           = "physmap-flash",
 144         .id             = -1,
 145         .dev            = {
 146                 .platform_data  = &palmte_rom_data,
 147         },
 148         .num_resources  = 1,
 149         .resource       = &palmte_rom_resource,
 150 };
 151
 152 static struct platform_device palmte_lcd_device = {
 153         .name           = "lcd_palmte",
 154         .id             = -1,
 155 };
 156
 157 static struct omap_backlight_config palmte_backlight_config = {
 158         .default_intensity      = 0xa0,
 159 };
 160
 161 static struct platform_device palmte_backlight_device = {
 162         .name           = "omap-bl",
 163         .id             = -1,
 164         .dev            = {
 165                 .platform_data  = &palmte_backlight_config,
 166         },
 167 };
 168
 169 static struct omap_irda_config palmte_irda_config = {
 170         .transceiver_cap        = IR_SIRMODE,
 171         .rx_channel             = OMAP_DMA_UART3_RX,
 172         .tx_channel             = OMAP_DMA_UART3_TX,
 173         .dest_start             = UART3_THR,
 174         .src_start              = UART3_RHR,
 175         .tx_trigger             = 0,
 176         .rx_trigger             = 0,
 177 };
 178
 179 static struct resource palmte_irda_resources[] = {
 180         [0]     = {
 181                 .start  = INT_UART3,
 182                 .end    = INT_UART3,
 183                 .flags  = IORESOURCE_IRQ,
 184         },
 185 };
 186
 187 static struct platform_device palmte_irda_device = {
 188         .name           = "omapirda",
 189         .id             = -1,
 190         .dev            = {
 191                 .platform_data  = &palmte_irda_config,
 192         },
 193         .num_resources  = ARRAY_SIZE(palmte_irda_resources),
 194         .resource       = palmte_irda_resources,
 195 };
 196
 197 static struct platform_device *palmte_devices[] __initdata = {
 198         &palmte_rom_device,
 199         &palmte_kp_device,
 200         &palmte_lcd_device,
 201         &palmte_backlight_device,
 202         &palmte_irda_device,
 203 };
 204
 205 static struct omap_usb_config palmte_usb_config __initdata = {
 206         .register_dev   = 1,    /* Mini-B only receptacle */
 207         .hmc_mode       = 0,
 208         .pins[0]        = 2,
 209 };
 210
 211 static struct omap_lcd_config palmte_lcd_config __initdata = {
 212         .ctrl_name      = "internal",
 213 };
 214
 215 static struct spi_board_info palmte_spi_info[] __initdata = {
 216         {
 217                 .modalias       = "tsc2102",
 218                 .bus_num        = 2,    /* uWire (officially) */
 219                 .chip_select    = 0,    /* As opposed to 3 */
 220                 .irq            = OMAP_GPIO_IRQ(PALMTE_PINTDAV_GPIO),
 221                 .max_speed_hz   = 8000000,
 222         },
 223 };
 224
 225 static void __init palmte_misc_gpio_setup(void)
 226 {
 227         /* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */
 228         if (gpio_request(PALMTE_PINTDAV_GPIO, "TSC2102 PINTDAV") < 0) {
 229                 printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n");
 230                 return;
 231         }
 232         gpio_direction_input(PALMTE_PINTDAV_GPIO);
 233
 234         /* Set USB-or-DC-IN pin as input (unused) */
 235         if (gpio_request(PALMTE_USB_OR_DC_GPIO, "USB/DC-IN") < 0) {
 236                 printk(KERN_ERR "Could not reserve cable signal GPIO!\n");
 237                 return;
 238         }
 239         gpio_direction_input(PALMTE_USB_OR_DC_GPIO);
 240 }
 241
 242 static void __init omap_palmte_init(void)
 243 {
 244         /* mux pins for uarts */
 245         omap_cfg_reg(UART1_TX);
 246         omap_cfg_reg(UART1_RTS);
 247         omap_cfg_reg(UART2_TX);
 248         omap_cfg_reg(UART2_RTS);
 249         omap_cfg_reg(UART3_TX);
 250         omap_cfg_reg(UART3_RX);
 251
 252         platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices));
 253
 254         spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info));
 255         palmte_misc_gpio_setup();
 256         omap_serial_init();
 257         omap1_usb_init(&palmte_usb_config);
 258         omap_register_i2c_bus(1, 100, NULL, 0);
 259
 260         omapfb_set_lcd_config(&palmte_lcd_config);
 261 }
 262
 263 MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
 264         .atag_offset    = 0x100,
 265         .map_io         = omap15xx_map_io,
 266         .init_early     = omap1_init_early,
 267         .reserve        = omap_reserve,
 268         .init_irq       = omap1_init_irq,
 269         .init_machine   = omap_palmte_init,
 270         .timer          = &omap1_timer,
 271         .restart        = omap1_restart,
 272 MACHINE_END